JPS6442546A - Shadow mask and its production - Google Patents
Shadow mask and its productionInfo
- Publication number
- JPS6442546A JPS6442546A JP19624187A JP19624187A JPS6442546A JP S6442546 A JPS6442546 A JP S6442546A JP 19624187 A JP19624187 A JP 19624187A JP 19624187 A JP19624187 A JP 19624187A JP S6442546 A JPS6442546 A JP S6442546A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- shadow mask
- etching
- strength
- magnetism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Abstract
PURPOSE:To produce the title high-precision shadow mask having high strength by cold-rolling an alloy having a specified composition consisting of Ni, Mo, C, Mn, Si, and Fe into an ultrathin sheet, pitting the sheet by etching, imparting a tension to the sheet, and fixing the sheet. CONSTITUTION:An Ni-Fe based alloy consisting, by weight, of 60-90% Ni, 1-8% Mo, <=0.1% C, 0.1-3.0% Mn, 0.01-1.0% Si, and the balance Fe and inevitable impurities is used as the material for the shadow mask. The material is cold-rolled into a sheet having <=50mum thickness. The ultrathin sheet is annealed, and then slitted to a prescribed width. A resist is applied on the obtained shadow mask material to pit the sheet by etching. The obtained flat mask is subjected to prescribed heat treatment to improve the strength and magnetism, a tension is imparted to the sheet, and the sheet is fixed to a frame. The shadow mask is graphitized under such conditions, and then incorporated into a cathode-ray tube. By this method, high precision can be imparted to the shadow mask by using the material having excellent yield strength, magnetism, etching property, and workability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19624187A JPS6442546A (en) | 1987-08-07 | 1987-08-07 | Shadow mask and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19624187A JPS6442546A (en) | 1987-08-07 | 1987-08-07 | Shadow mask and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6442546A true JPS6442546A (en) | 1989-02-14 |
Family
ID=16354541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19624187A Pending JPS6442546A (en) | 1987-08-07 | 1987-08-07 | Shadow mask and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6442546A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010101158A (en) * | 1998-12-15 | 2001-11-14 | 사카모토 다까시 | Fe-Ni ALLOY FOR TENSION MASK AND TENSION MASK USING IT AND COLOR CRT |
| KR20180100458A (en) * | 2013-01-31 | 2018-09-10 | 애플 인크. | Vertically stacked image sensor |
| KR101939133B1 (en) * | 2017-08-04 | 2019-01-16 | 주식회사 웨이브일렉트로닉스 | Method for Manufacturing Shadow Mask Using Heat Treatment Process |
-
1987
- 1987-08-07 JP JP19624187A patent/JPS6442546A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010101158A (en) * | 1998-12-15 | 2001-11-14 | 사카모토 다까시 | Fe-Ni ALLOY FOR TENSION MASK AND TENSION MASK USING IT AND COLOR CRT |
| KR20180100458A (en) * | 2013-01-31 | 2018-09-10 | 애플 인크. | Vertically stacked image sensor |
| KR101939133B1 (en) * | 2017-08-04 | 2019-01-16 | 주식회사 웨이브일렉트로닉스 | Method for Manufacturing Shadow Mask Using Heat Treatment Process |
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